O'Fallon · Missouri
O'Fallon, MO Landlord Laws 2026
Every housing law that applies to O'Fallon landlords — security deposits, eviction rules, rent increases, and more. Updated for 2026.
Based on Missouri state law.
O'Fallon Rental Market in 2026
$972
median 2BR rent
94,074
population
$1,944
max security deposit
O'Fallon landlords must comply with Missouri state landlord-tenant laws. At a median 2-bedroom rent of $972/month, understanding deposit caps, notice periods, and eviction rules can save you thousands in penalties.
Local Housing Market Data
The HUD Fair Market Rent for a 2-bedroom in O'Fallon is $972/month, which affects Section 8 voucher amounts and affordable housing calculations.
Key Takeaways for O'Fallon Landlords
- Security deposit: Capped at 2 month(s) of rent ($1,944 at median rent). Must return within 30 days or face penalties up to $1,944.
Missouri Laws That Apply in O'Fallon
Missouri Landlord-Tenant Law
Mo. Rev. Stat. §441.005 et seq.
Governs residential tenancies including security deposits, lease terms, and eviction procedures.
O'Fallon Landlord Law Topics
Click any topic below for detailed O'Fallon-specific rules, deadlines, penalties, and free compliance tools.
Security Deposit Laws
O'Fallon-specific rules and penalties →
Eviction Process & Notice Requirements
O'Fallon-specific rules and penalties →
Rent Increase Laws
O'Fallon-specific rules and penalties →
Landlord Entry & Access Rules
O'Fallon-specific rules and penalties →
Maintenance & Habitability Standards
O'Fallon-specific rules and penalties →
Late Fee Limits
O'Fallon-specific rules and penalties →
Lease Termination & Renewal
O'Fallon-specific rules and penalties →
Fair Housing Protections
O'Fallon-specific rules and penalties →
Tenant Screening Rules
O'Fallon-specific rules and penalties →
Required Landlord Disclosures
O'Fallon-specific rules and penalties →
Rent Control
O'Fallon-specific rules and penalties →
Property Registration Requirements
O'Fallon-specific rules and penalties →
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Don’t Risk Penalties
At O'Fallon’s median rent of $972/month, a single deposit violation could cost you $1,944+. A wrongful eviction can cost thousands more in court fees, relocation payments, and damages. Know the rules before they cost you.
Don’t risk it. Let LeaseBase track O'Fallon compliance for you.
Deposit deadlines, eviction notice periods, rent cap calculations — monitored automatically.
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Nearby Cities — Landlord Laws
Own properties in multiple cities? Laws may differ. Check the rules for nearby areas:
Pop. 510,704
Same state laws apply — check for local ordinances
St. Louis, MOPop. 281,754
Same state laws apply — check for local ordinances
Springfield, MOPop. 170,188
Same state laws apply — check for local ordinances
Columbia, MOPop. 129,330
Same state laws apply — check for local ordinances
Independence, MOPop. 120,922
Same state laws apply — check for local ordinances
Check your O'Fallon property’s compliance
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Reviewed by Rachid Abadli
Founder & CEO, LeaseBase · Sacramento landlord · Self-managing since 2019
LeaseBase is a property management platform — not a law firm. Consult an attorney for legal advice specific to your situation.
